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Old 02-21-2005   #2 (permalink)
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Lightbulb Re: The power set of the continum

Quote:
Originally Posted by Kent
I read a popular science book, and in one chapter it talks about transfinite numbers.

i have some questions.

Can the power set of the continum be enumerated? I have no idea how you imagine a power set of a power set of a continum? Are their pictures?

what are the application for the power set of a set?

what are your thoughts on transfinit numbers?

any problems?
I can help a little bit. You acknowledge that there are an infinite number of integers. In fact you can
enumerate them. The same for the rationals. There is a proof that I am unable to give there are as many
rationals as integers. However, the quantity of reals are more than the integers. Cantor came up with a
notion of transfinite numbers or "levels of infinity". The number of integers are assigned Aleph 0 (naught),
for the subscripted Hebrew character. Number of reals is Aleph 1. The number of continuous functions over
the reals Rn is Aleph 2. And so on. For more info, do a google search on Cantor and Transfinite numbers.

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